Thats true, but you know Bitcoin will not exist if there was no idea of fiat, we cannot jump from pre industrial up to this generation if fiat was not exist, well I actually that Bitcoin is better,  fiat is also great it jist that we have different perspective for the both currency due to the fact that rhey have different natures and characteristics as well as the use. Bitcoin fluctuates and fiat never, the exchange of Dollars to certain currency of a country probably may change.